058  
CDUS45 KRIW 200028  
CLIRIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
528 PM MST TUE DEC 19 2023  
   
...............................
 
 
   
..THE RIVERTON WY CLIMATE SUMMARY FOR DECEMBER 19 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1995 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 43 2:12 PM 44 2004 30 13 22  
MINIMUM 18 7:33 AM -13 1998 7 11 -8  
AVERAGE 31 18 13 7  
 
PRECIPITATION (IN)  
TODAY 0.00 0.11 2013 0.01 -0.01 0.00  
MONTH TO DATE T 0.16 -0.16 0.50  
SINCE DEC 1 T 0.16 -0.16 0.50  
SINCE JAN 1 14.12 8.46 5.66 9.27  
 
SNOWFALL (IN)  
TODAY 0.0 0.0  
MONTH TO DATE T 8.8  
SINCE DEC 1 T 8.8  
SINCE JUL 1 19.0 19.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 34 46 -12 58  
MONTH TO DATE 737 845 -108 935  
SINCE DEC 1 737 845 -108 935  
SINCE JUL 1 2436 2742 -306 2748  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 401 499 -98 703    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 44  
AVERAGE 66  
   
......................................................
 
 
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 49 2020  
MINIMUM TEMPERATURE (F) 7 -21 1998  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:41 AM MST SUNSET 4:41 PM MST  
DECEMBER 20 2023......SUNRISE 7:41 AM MST SUNSET 4:41 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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